1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 *	db_dictxdr.c
24 *
25 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
26 * Use is subject to license terms.
27 */
28
29#pragma ident	"%Z%%M%	%I%	%E% SMI"
30
31#include "db_dictionary_c.h"
32#include "db_vers_c.h"
33
34extern vers db_update_version;
35
36extern void make_zero(vers*);
37
38/* Special xdr_db_dict_desc that understands optional version number at end. */
39bool_t
40xdr_db_dict_desc(XDR *xdrs, db_dict_desc *objp)
41{
42
43	if (!xdr_db_dict_version(xdrs, &objp->impl_vers))
44		return (FALSE);
45	if (!xdr_array(xdrs, (char **)&objp->tables.tables_val,
46		(uint_t *)&objp->tables.tables_len, ~0,
47		sizeof (db_table_desc_p), (xdrproc_t)xdr_db_table_desc_p))
48		return (FALSE);
49	if (!xdr_int(xdrs, &objp->count))
50		return (FALSE);
51
52	if (xdrs->x_op == XDR_DECODE) {
53		/* If no version was found, set version to 0. */
54		if (!xdr_vers(xdrs, (void**) &db_update_version))
55			make_zero(&db_update_version);
56		return (TRUE);
57	} else if (xdrs->x_op == XDR_ENCODE) {
58		/* Always write out version */
59		if (!xdr_vers(xdrs, (void**) &db_update_version))
60			return (FALSE);
61	} /* else XDR_FREE: do nothing */
62
63	return (TRUE);
64}
65